August 14, 1880

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Features

Railway Progress And Requirements ,And More

The Evolution Of Ideas.

The Prevention Of Virulent Diseases.

Engineering Inventions.

A Visit To The Testing Station Of The Industrial Academy, Berlin.

Novel Clothes Line Pulley.

New Folding Boat.

Improved Car Starter.

Improvement In Stoves.

American Industries.-No, 54

Astronomical Observations At High Elevations,

American Milling As Seen By An Englishman.

Mechanical Inventions.

Improved Cross Tie,

The Extraction Of The Salts Of Sodium And .Potassium From The Mother Lye Of The Mediterranean Salt Pits.

New Inventions.

The Livadia.

The Sturgeon,

By A. W. ROBERTS.

Formation Of American Coal.

New Use For Cyprus Reed Stems.

Recent Decisions Relating To Patents ,And More

The Geological History Of The Catskills

Agricultural Inventions.

Business And Personal

Departments

Departments

Communications Received.

Index Of Inventions

Notes And Queries

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